JS: create new common directory for all generated tests, migrate several tests there

js/js.translator/testData/box/closure/closureInWithInsideWith.kt

@@ -0,0 +1,25 @@
+// KT-4237 With in with
+
+package foo
+
+class A {
+    val ok = "OK"
+}
+
+class B
+
+fun <T> with(o: T, body: T.() -> Unit) {
+    o.body()
+}
+
+fun box(): String {
+    var o = ""
+
+    with(A()) {
+        with(B()) {
+            o = ok
+        }
+    }
+
+    return o
+}